Home / 3,326.40-4,590.19-1,928.88

Finding the Fourth Proportional to 3,326.40, 4,590.19 and 1,928.88

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Solution

The fourth proportional to 3,326.40, 4,590.19 and 1,928.88 is: 2,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.40 : 4,590.19 = 1,928.88 : x
  2. Step 2: Convert to fraction form
    3,326.40/4,590.19 = 1,928.88/x
  3. Step 3: Cross multiply
    3,326.40x = 4,590.19 × 1,928.88
  4. Step 4: Simplify right side
    3,326.40x = 8,853,925.69
  5. Step 5: Solve for x
    x = 8,853,925.69/3,326.40
  6. Step 6: Final answer
    x = 2,661.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.